所有减速机在出厂前已经在厂内进行过空载试运转，现场进行试运转主要目的是进一步观察减速机在存在一定负荷时的运行情况。
All gear reducers are subject to no-load test-run in the workshop prior to delivery. The commissioning in the field is intended to check the gear reducer operating with load.
辊道应进行空负荷连续试运转，要求运转2小时以上至轴承内部温度达到饱和状态后进行测试。
The roller table should run continuously without load for over 2 hours , so that the inner temperature of bearings can reach.
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